Bar Separation Unit With Lifting Divider for Accurate Counting
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Solution Overview
Problem
Existing bar separation units are inefficient due to frequent blockages, inaccurate counting, and wear issues, particularly with thin bars, and lack adaptability for different diameters and existing apparatuses.
Innovation Solution
The apparatus features movement groups with interspaces for separation units, each comprising a dividing device with a support surface and a lifting mechanism that positions the dividing element above or below the support plane to precisely separate bars, allowing for versatile operation and installation on existing systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If worm screw separation units are used to separate bars, then bars can be divided and counted, but frequent blockages occur and counting accuracy decreases
Solution Approach 1:
The patent replaces the worm screw mechanical separation system with a pushing rod mechanism that uses direct linear motion to separate bars. This substitution eliminates the threading and grooving issues that caused blockages in worm screw systems, while maintaining the bar separation function through a simpler pushing action that reduces friction and jamming.
Solution Approach 2:
The separation unit is divided into distinct functional components: a pushing rod for separation, a support surface for bar positioning, and a lifting mechanism for vertical movement. This segmentation allows each component to perform its specific function efficiently, with the pushing rod focusing solely on lateral separation while the lifting mechanism handles vertical positioning, improving overall reliability.
2Productivity
If worm screw separation units are used, then bars can be separated, but wear of the worm screw reduces its life span
Solution Approach 1:
The patent replaces the worm screw mechanism with a pushing rod system that uses direct linear motion. This eliminates the sliding friction and wear inherent in worm screw threading, resulting in significantly reduced wear on moving parts and extended operational lifespan of the separation unit.
Solution Approach 2:
The pushing rod is designed as a simple, easily replaceable component with no complex threading or grooving. If wear does occur, the entire pushing rod can be quickly replaced without affecting other components, making maintenance simpler and more cost-effective compared to worn worm screws.
3Productivity
If worm screw separation units are used, then bars can be divided, but multiple bars can be accommodated in the throat which prevents reliable counting
Solution Approach 1:
The support surface is designed with specific local characteristics including a defined width and positioning features that accommodate exactly one bar width. This local quality control ensures that only one bar can be positioned on the support surface at a time, enabling reliable counting while maintaining the bar division function.
Solution Approach 2:
The separation unit is segmented into a pushing rod for division and a support surface for positioning. This segmentation allows the support surface to be optimized specifically for single-bar positioning and counting, while the pushing rod handles the division function, separating these two functions for improved precision.
4Productivity
If worm screw separation units are used, then bars can be separated, but adaptation for different bar diameters requires replacing worm screws
Solution Approach 1:
The support surface width and pushing rod dimensions are made adjustable rather than fixed. This dynamic capability allows the separation unit to adapt to different bar diameters by reconfiguring the support surface and pushing rod dimensions, eliminating the need to replace entire worm screw assemblies when changing bar formats.
Solution Approach 2:
The pushing rod mechanism is designed as a universal system that can handle multiple bar diameters and configurations through adjustable parameters. Instead of requiring different worm screw types for different bar sizes, this single versatile mechanism can accommodate various bar dimensions by adjusting the support surface and pushing rod geometry.
5Measurement precision
If bars are separated using conventional methods, then counting can be performed, but bars become twisted and overlapping making extraction difficult
Solution Approach 1:
The support surface is designed to receive and position bars in a predetermined single-file arrangement before separation occurs. This preliminary positioning action ensures that bars are properly aligned and spaced before the pushing rod separates them, preventing twisting and overlapping that would make subsequent extraction difficult.
Solution Approach 2:
The support surface provides a level, stable base that maintains bars in a consistent horizontal position during separation. This equipotential positioning prevents bars from tilting or twisting during the separation process, keeping them in a stable, easily extractable configuration while enabling accurate counting.
Data Source
Figure 1
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AI summary
Apparatus (10), unit (16) and method to separate a desired number of bars from an initial group of bars (B). The initial group of bars (1 1) is located movement units (12) defining a support plane (11) and made to advance in direction of movement (F).